<template>
  <view class="uni-navbar">
    <view
      :class="{
        'uni-navbar--fixed': fixed,
        'uni-navbar--shadow': shadow,
        'uni-navbar--border': border,
      }"
      :style="{
        'background-color': backgroundColor,
      }"
      class="uni-navbar__content"
    >
      <uni-status-bar v-if="statusBar" />
      <view
        :style="{ color: color, backgroundColor: backgroundColor }"
        class="uni-navbar__header uni-navbar__content_view"
      >
        <view
          @tap="onClickLeft"
          class="uni-navbar__header-btns uni-navbar__header-btns-left uni-navbar__content_view"
        >
          <view class="uni-navbar__content_view" v-if="leftIcon.length">
            <uni-icons :color="color" :type="leftIcon" size="24" />
          </view>
          <view
            :class="{ 'uni-navbar-btn-icon-left': !leftIcon.length }"
            class="uni-navbar-btn-text uni-navbar__content_view"
            v-if="leftText.length"
          >
            <text :style="{ color: color, fontSize: '14px' }">{{ leftText }}</text>
          </view>
          <slot name="center" />
        </view>
        <view class="uni-navbar__header-container uni-navbar__content_view">
          <view
            class="uni-navbar__header-container-inner uni-navbar__content_view"
            v-if="title.length"
          >
            <text class="uni-nav-bar-text" :style="{ color: color }">{{ title }}</text>
          </view>
          <!-- 标题插槽 -->
          <slot />
        </view>
        <view
          :class="title.length ? 'uni-navbar__header-btns-right' : ''"
          @tap="onClickRight"
          class="uni-navbar__header-btns uni-navbar__content_view"
        >
          <view class="uni-navbar__content_view" v-if="rightIcon.length">
            <uni-icons :color="color" :type="rightIcon" size="24" />
          </view>
          <!-- 优先显示图标 -->
          <view
            class="uni-navbar-btn-text uni-navbar__content_view"
            v-if="rightText.length && !rightIcon.length"
          >
            <text class="uni-nav-bar-right-text">{{ rightText }}</text>
          </view>
          <slot name="right" />
        </view>
      </view>
    </view>
    <view class="uni-navbar__placeholder" v-if="fixed">
      <uni-status-bar v-if="statusBar" />
      <view class="uni-navbar__placeholder-view" />
    </view>
  </view>
</template>

<script>
/* eslint-disable */
import uniStatusBar from '../uni-status-bar/uni-status-bar.vue';
import uniIcons from '../uni-icons/uni-icons.vue';

export default {
  name: 'UniNavBar',
  components: {
    uniStatusBar,
    uniIcons,
  },
  props: {
    title: {
      type: String,
      default: '',
    },
    leftText: {
      type: String,
      default: '',
    },
    rightText: {
      type: String,
      default: '',
    },
    leftIcon: {
      type: String,
      default: '',
    },
    rightIcon: {
      type: String,
      default: '',
    },
    fixed: {
      type: [Boolean, String],
      default: false,
    },
    color: {
      type: String,
      default: '#000000',
    },
    backgroundColor: {
      type: String,
      default: '#FFFFFF',
    },
    statusBar: {
      type: [Boolean, String],
      default: false,
    },
    shadow: {
      type: [String, Boolean],
      default: false,
    },
    border: {
      type: [String, Boolean],
      default: true,
    },
  },
  mounted() {
    if (uni.report && this.title !== '') {
      uni.report('title', this.title);
    }
  },
  methods: {
    onClickLeft() {
      this.$emit('clickLeft');
    },
    onClickRight() {
      this.$emit('clickRight');
    },
  },
};
</script>

<style lang="scss" scoped>
$nav-height: 44px;
.uni-nav-bar-text {
  /* #ifdef APP-PLUS */
  font-size: 34rpx;
  /* #endif */
  /* #ifndef APP-PLUS */
  /* font-size: $uni-font-size-lg; */
  /* #endif */
  white-space: nowrap;
}
.uni-nav-bar-right-text {
  font-size: $uni-font-size-base;
}

.uni-navbar {
  width: 100%;
}

.uni-navbar__content {
  position: relative;
  width: 100%;
  overflow: hidden;
  background-color: $uni-bg-color;
}

.uni-navbar__content_view {
  /* #ifndef APP-NVUE */
  display: flex;
  /* #endif */
  align-items: center;
  flex-direction: row;
  // background-color: #FFFFFF;
}

.uni-navbar__header {
  /* #ifndef APP-NVUE */
  display: flex;
  /* #endif */
  flex-direction: row;
  width: 100%;
  height: $nav-height;
  font-size: 16px;
  line-height: $nav-height;
  // background-color: #ffffff;
}

.uni-navbar__header-btns {
  /* #ifndef APP-NVUE */
  display: flex;
  /* #endif */
  flex-wrap: nowrap;
  width: 120rpx;
  padding: 0 6px;
  justify-content: center;
  align-items: center;
}

.uni-navbar__header-btns-left {
  /* #ifndef APP-NVUE */
  display: flex;
  /* #endif */
  width: 150rpx;
  justify-content: flex-start;
}

.uni-navbar__header-btns-right {
  /* #ifndef APP-NVUE */
  display: flex;
  /* #endif */
  width: 150rpx;
  padding-right: 30rpx;
  justify-content: flex-end;
}

.uni-navbar__header-container {
  flex: 2;
  min-width: 550rpx;
  overflow: hidden;
}

.uni-navbar__header-container-inner {
  /* #ifndef APP-NVUE */
  display: flex;
  /* #endif */
  flex: 1;
  align-items: center;
  justify-content: center;
  font-size: $uni-font-size-base;
}

.uni-navbar__placeholder-view {
  height: $nav-height;
}

.uni-navbar--fixed {
  position: fixed;
  z-index: 998;
}

.uni-navbar--shadow {
  /* #ifndef APP-NVUE */
  box-shadow: 0 1px 6px #ccc;
  /* #endif */
}

.uni-navbar--border {
  border-bottom-color: $uni-border-color;
  // border-bottom-style: solid;
  // border-bottom-width: 1rpx;
}
</style>
